if_ex_isa.c revision 112801 
1/*-
2 * Copyright (c) 2000 Matthew N. Dodd
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$FreeBSD: head/sys/dev/ex/if_ex_isa.c 112801 2003-03-29 15:38:53Z mdodd $
27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32#include <sys/socket.h>
33
34#include <sys/module.h>
35#include <sys/bus.h>
36
37#include <machine/bus.h>
38#include <machine/resource.h>
39#include <sys/rman.h>
40
41#include <net/if.h>
42#include <net/if_arp.h>
43#include <net/if_media.h>
44
45
46#include <isa/isavar.h>
47#include <isa/pnpvar.h>
48
49#include <dev/ex/if_exreg.h>
50#include <dev/ex/if_exvar.h>
51
52/* Bus Front End Functions */
53static void	ex_isa_identify	(driver_t *, device_t);
54static int	ex_isa_probe	(device_t);
55static int	ex_isa_attach	(device_t);
56
57#if 0
58static	void	ex_pnp_wakeup	(void *);
59
60SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
61#endif
62
63static device_method_t ex_isa_methods[] = {
64	/* Device interface */
65	DEVMETHOD(device_identify,	ex_isa_identify),
66	DEVMETHOD(device_probe,		ex_isa_probe),
67	DEVMETHOD(device_attach,	ex_isa_attach),
68	DEVMETHOD(device_detach,	ex_detach),
69
70	{ 0, 0 }
71};
72
73static driver_t ex_isa_driver = {
74	"ex",
75	ex_isa_methods,
76	sizeof(struct ex_softc),
77};
78
79DRIVER_MODULE(ex, isa, ex_isa_driver, ex_devclass, 0, 0);
80
81static struct isa_pnp_id ex_ids[] = {
82	{ 0x3110d425,	NULL },	/* INT1031 */
83	{ 0x3010d425,	NULL },	/* INT1030 */
84	{ 0,		NULL },
85};
86
87#if 0
88#define EX_PNP_WAKE		0x279
89
90static u_int8_t ex_pnp_wake_seq[] =
91			{ 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
92			  0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
93			  0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
94			  0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
95
96static void
97ex_pnp_wakeup (void * dummy)
98{
99	int	tmp;
100
101	if (bootverbose)
102		printf("ex_pnp_wakeup()\n");
103
104	outb(EX_PNP_WAKE, 0);
105	outb(EX_PNP_WAKE, 0);
106	for (tmp = 0; tmp < 32; tmp++) {
107		outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
108	}
109}
110#endif
111
112/*
113 * Non-destructive identify.
114 */
115static void
116ex_isa_identify (driver_t *driver, device_t parent)
117{
118	device_t	child;
119	u_int32_t	ioport;
120	u_char 		enaddr[6];
121	u_int		irq;
122	int		tmp;
123	const char *	desc;
124
125	if (bootverbose)
126		printf("ex_isa_identify()\n");
127
128	for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
129
130		/* No board found at address */
131		if (!look_for_card(ioport)) {
132			continue;
133		}
134
135		if (bootverbose)
136			printf("ex: Found card at 0x%03x!\n", ioport);
137
138		/* Board in PnP mode */
139		if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
140			/* Reset the card. */
141			outb(ioport + CMD_REG, Reset_CMD);
142			DELAY(500);
143			if (bootverbose)
144				printf("ex: card at 0x%03x in PnP mode!\n", ioport);
145			continue;
146		}
147
148		bzero(enaddr, sizeof(enaddr));
149
150		/* Reset the card. */
151		outb(ioport + CMD_REG, Reset_CMD);
152		DELAY(400);
153
154		ex_get_address(ioport, enaddr);
155		tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
156
157		/* work out which set of irq <-> internal tables to use */
158		if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
159			irq  = plus_ee2irqmap[tmp];
160			desc = "Intel Pro/10+";
161		} else {
162			irq = ee2irqmap[tmp];
163			desc = "Intel Pro/10";
164		}
165
166		child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
167		device_set_desc_copy(child, desc);
168		device_set_driver(child, driver);
169		bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
170		bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
171
172		if (bootverbose)
173			printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
174	}
175
176	return;
177}
178
179static int
180ex_isa_probe(device_t dev)
181{
182	u_int		iobase;
183	u_int		irq;
184	char *		irq2ee;
185	u_char *	ee2irq;
186	u_char 		enaddr[6];
187	int		tmp;
188	int		error;
189
190	/* Check isapnp ids */
191	error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
192
193	/* If the card had a PnP ID that didn't match any we know about */
194	if (error == ENXIO) {
195		return(error);
196	}
197
198	/* If we had some other problem. */
199	if (!(error == 0 || error == ENOENT)) {
200		return(error);
201	}
202
203	iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
204	if (!iobase) {
205		printf("ex: no iobase?\n");
206		return(ENXIO);
207	}
208
209	if (!look_for_card(iobase)) {
210		printf("ex: no card found at 0x%03x\n", iobase);
211		return(ENXIO);
212	}
213
214	if (bootverbose)
215		printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
216
217	/*
218	 * Reset the card.
219	 */
220	outb(iobase + CMD_REG, Reset_CMD);
221	DELAY(800);
222
223	ex_get_address(iobase, enaddr);
224
225	/* work out which set of irq <-> internal tables to use */
226	if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
227		irq2ee = plus_irq2eemap;
228		ee2irq = plus_ee2irqmap;
229	} else {
230		irq2ee = irq2eemap;
231		ee2irq = ee2irqmap;
232	}
233
234	tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
235	irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
236
237	if (irq > 0) {
238		/* This will happen if board is in PnP mode. */
239		if (ee2irq[tmp] != irq) {
240			printf("ex: WARNING: board's EEPROM is configured"
241				" for IRQ %d, using %d\n",
242				ee2irq[tmp], irq);
243		}
244	} else {
245		irq = ee2irq[tmp];
246		bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
247	}
248
249	if (irq == 0) {
250		printf("ex: invalid IRQ.\n");
251		return(ENXIO);
252	}
253
254	return(0);
255}
256
257static int
258ex_isa_attach(device_t dev)
259{
260	struct ex_softc *	sc = device_get_softc(dev);
261	int			error = 0;
262	u_int16_t		temp;
263
264	sc->dev = dev;
265	sc->ioport_rid = 0;
266	sc->irq_rid = 0;
267
268	if ((error = ex_alloc_resources(dev)) != 0) {
269		device_printf(dev, "ex_alloc_resources() failed!\n");
270		goto bad;
271	}
272
273	/*
274	 * Fill in several fields of the softc structure:
275	 *	- I/O base address.
276	 *	- Hardware Ethernet address.
277	 *	- IRQ number (if not supplied in config file, read it from EEPROM).
278	 *	- Connector type.
279	 */
280	sc->iobase = rman_get_start(sc->ioport);
281	sc->irq_no = rman_get_start(sc->irq);
282
283	ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
284
285	temp = eeprom_read(sc->iobase, EE_W0);
286	device_printf(sc->dev, "%s config, %s bus, ",
287		(temp & EE_W0_PNP) ? "PnP" : "Manual",
288		(temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
289
290	temp = eeprom_read(sc->iobase, EE_W6);
291	printf("board id 0x%03x, stepping 0x%01x\n",
292		(temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
293		temp & EE_W6_STEP_MASK);
294
295	if ((error = ex_attach(dev)) != 0) {
296		device_printf(dev, "ex_attach() failed!\n");
297		goto bad;
298	}
299
300	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
301				ex_intr, (void *)sc, &sc->ih);
302	if (error) {
303		device_printf(dev, "bus_setup_intr() failed!\n");
304		goto bad;
305	}
306
307	return(0);
308bad:
309	ex_release_resources(dev);
310	return (error);
311}
312